Dentistry – Apparatus – Having motor or means to transmit motion from motor to tool
Patent
1998-02-12
1999-02-09
Smith, Jeffrey A.
Dentistry
Apparatus
Having motor or means to transmit motion from motor to tool
433126, A61C 108
Patent
active
058685715
ABSTRACT:
A dental hose assembly for use with a dental handpiece. The assembly comprises inner tubes, an outer tube enclosing the inner tubes, a connector for connecting the inner tubes to fluid passages in the handpiece, a tubular hose guide enclosing the distal ends of the inner tubes, a tubular joint cover engaging the connector and the distal end portion of the outer tube, and a connector ring sheathing the joint cover and to be connected to the handpiece for preventing the connector from being detached from the handpiece. The connector has a proximal end connected to the inner tubes and a distal end to be connected to the dental handpiece. The hose guide has a frustconical portion proximally tapered and distally flared on its outer surface to end with a projected distal end. The distal end portion of the outer tube is fitted over the hose guide to define an expanded portion. The joint cover has a proximal end thickened radially inwardly with a rounded outer edge. The expanded portion of the outer tube is tightly held between the hose guide and the joint cover. The projected distal end of the frustconical portion and the joint cover tightly press the expanded portion therebetween and the expanded portion is fastened distally by the thickened proximal end of the joint cover.
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patent: 5501596 (1996-03-01), Bailey
Nakanishi Inc.
Robert Eduando C.
Smith Jeffrey A.
Wittenberg Malcolm B.
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